Where does Stemco Products, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Stemco Products, Inc. ranks #10,463 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Stemco Products, Inc. hold?

Stemco Products, Inc. holds 30 US utility patents granted between 2018 and 2024, spanning 25 technology areas.

What is Stemco Products, Inc.'s Innovation Score?

Stemco Products, Inc. has an Innovation Score of 39.2 out of 100 (top 39% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Stemco Products, Inc. focus on?

Stemco Products, Inc.'s top technology area is B62D (Motor VEHICLES; Trailers) with 9 patents, ranking #265 of 1,368 assignees active in that subclass. Grants appear in 25 CPC subclasses total.

Is Stemco Products, Inc.'s patent grant rate increasing or decreasing?

Stemco Products, Inc.'s recent grant velocity is -12% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Stemco Products, Inc.'s patents?

Stemco Products, Inc.'s patents average 13.6 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Stemco Products, Inc. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView US Corporation

Stemco Products, Inc.

USPTO PatentsView assignee record - 30 granted patents across 25 technology areas, recorded in grant years 2018–2024. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: B62D (Motor VEHICLES; Trailers).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Stemco ranks #10,463 of 49,997 tracked US assignees by granted-patent volume, with 30 patents across 25 technology areas.

#10,463
of 49,997 US assignees by volume: Top 39%
by Innovation Score (39.2/100): 13.6
avg claims per patent: -12%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R10463 · US Corporation #10,463 · 30 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DOWN · BOOK-FULL

GRANTS-SMALL 30 grants
UPPER-Q #10,463/49,997
PHOTO-FINISH Shenzhen Breo…
CPC-FOCUS B62D · 25 areas
INNOV-THIN 39.2/100
CLAIMS-RICH 13.6 claims/avg
TYPE-USCORP US Corporation
VEL-DOWN -12% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Shenzhen Breo Technology Co., Ltd. (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How Stemco’s 39.2 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 11.9 pts (30%) Velocity 1.5 pts (4%) Breadth 17.7 pts (45%) Claim depth 8.1 pts (21%)

Qualcomm Incorporated · highest

85
Amcor · near

39
Reputation com · near

39
Semmle · near

39
Stemco Products · this assignee

39
Workiva · near

39
3D Lighting… · lowest

7

What this shows Stemco's Innovation Score is 39.2/100 (top 39% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for Stemco?

Each dot is one of Stemco’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Stemco’s own 13.6 claims/patent is ABOVE the 11.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Stemco vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Stemco's grants concentrate

Stemco Products, Inc. is a focused PatentsView assignee: 25 CPC subclasses with 30% of grants classified under B62D (Motor VEHICLES; Trailers). Peak complete grant year is 2019 (13 grants) versus a trough of 1 in 2022. By volume, Stemco sits between Shenzhen Breo Technology Co., Ltd. and Surgiquest, Inc..

Stemco's three-year grant acceleration

From 2019–2021 to 2022–2024, Stemco Products, Inc. moved from 22 to 5 grants (0.23x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Shenzhen Breo Tec…

30
Siemens Österreich

30
Skywave Networks

30
Spinesmith Partne…

30
Sterling Internat…

30
Stetrix

30
Sunjoy Industries…

30
Surgiquest

30
Stemco Products ◀

30

What this shows Stemco holds 30 patents at rank #10,465, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Stemco

By rank, the assignees closest to #10,465 in granted patent volume.

Leaders in B62D (Motor Vehicles)

Other assignees with the most granted patents in Stemco's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Stemco, neither rank-band nor same-CPC leaders (those blocks stay above). In B62D (Motor Vehicles), Stemco ranks #265 of 1,368 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (39 here).

Amcor Limited 39 Reputation.com, Inc. 39 Workiva Inc. 39 Semmle Limited 39

Stemco's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

39 Top 39% higher than 61% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2018–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

Stemco Products, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	3	10.0%
2019	13	43.3%
2020	7	23.3%
2021	2	6.7%
2022	1	3.3%
2023	3	10.0%
2024	1	3.3%

Which technologies does Stemco Products, Inc. patent most?

B62D - Motor VEHICLES; Trailers 9

B60B - Vehicle Wheels ; CASTORS; Axles FOR Wheels OR CASTORS; Increasing Wheel Adhesion 8

F16C - SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings 5

B60G - Vehicle Suspension Arrangements 4

F16F - SPRINGS; SHOCK-ABSORBERS; Means FOR Damping Vibration 3

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 3

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 2

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 2

B60C - Vehicle TYRES; Tyre INFLATION; Tyre CHANGING; Connecting Valves TO Inflatable Elastic Bodies IN GENERAL; Devices OR Arrangements Related TO Tyres 2

B60N - Seats Specially Adapted FOR VEHICLES; Vehicle Passenger Accommodation NOT Otherwise Provided FOR 1

G08C - Transmission Systems FOR Measured Values, Control OR Similar Signals 1

H04B - Transmission 1

F16N - Lubricating 1

B23B - TURNING; Boring 1

B23Q - Details, Components, OR Accessories FOR Machine Tools, e.g. Arrangements FOR Copying OR Controlling ; Machine Tools IN General Characterised BY THE Construction OF Particular Details OR COMPONENTS; Combinations OR Associations OF Metal-working Machines, NOT Directed TO A Particular Result 1

Top 15 of 25 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Stemco Products, Inc.'s patent record in context - here's where to go next.

Stemco Products, Inc.'s lead technology class is B62D (Motor VEHICLES; Trailers), 30% of its portfolio - see every assignee active in that class. Explore B62D
Ranked #10,463 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Stemco Products, Inc. against Shenzhen Breo Technology Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 39.2/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.